<?php

namespace App\Exceptions;

use Exception;
use Illuminate\Auth\AuthenticationException;
use Illuminate\Database\QueryException;
use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
use Illuminate\Validation\ValidationException;

class Handler extends ExceptionHandler
{
    /**
     * A list of the exception types that are not reported.
     *
     * @var array
     */
    protected $dontReport = [
        //
    ];

    /**
     * A list of the inputs that are never flashed for validation exceptions.
     *
     * @var array
     */
    protected $dontFlash = [
        'password',
        'password_confirmation',
    ];

    /**
     * Report or log an exception.
     *
     * This is a great spot to send exceptions to Sentry, Bugsnag, etc.
     *
     * @param  \Exception $exception
     * @return void
     */
    public function report(Exception $exception)
    {
        parent::report ($exception);
    }

    /**
     * Render an exception into an HTTP response.
     *
     * @param  \Illuminate\Http\Request $request
     * @param  \Exception               $exception
     * @return \Illuminate\Http\Response
     */
    public function render($request, Exception $exception)
    {
        if ($request->is ('api/*')) {
            //重定义授权返回错误
            if ($exception instanceof AuthenticationException) {
                return response ()->json (['error' => 401, 'msg' => $exception->getMessage (), 'result' => $request]);
            }
            if ($exception instanceof QueryException) {
                //return response ()->json (['error' => 500, 'msg' => $exception->getMessage (), 'result' => $request]);
            }
            //如果错误是 ValidationException的一个实例，说明是一个验证的错误
            if ($exception instanceof ValidationException) {
                $result = [
                    "code" => 422,
                    //这里使用 $exception->errors() 得到验证的所有错误信息，是一个关联二维数组，所以                使用了array_values()取得了数组中的值，而值也是一个数组，所以用的两个 [0][0]
                    "msg"  => array_values ($exception->errors ())[0][0],
                    "data" => ""
                ];

                return response ()->json ($result);
            }


            return parent::render ($request, $exception);
        }
    }
}
